Fluorescent Brightener Fps-a CAS 4404-43-7 Fluorescent Brightener 28

• Customization: Available
• CAS No.: 4404-43-7
• Formula: C40h44n12o10s2
• Model NO.: YBC289
• EINECS: 224-548-7
• Certification: ISO 9001
• Color: Light Yellow to Yellow
• Appearance: Solid
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Light Yellow to Yellow
• Samples: Available
• Certificates: ISO9001/SGS
• Package: 1g/5g/25g/100g/500kg/10kg
• Stocks: in Stock
• Lead Time: 5-7 Working Days
• Shelf Life: 2-3 Years
• Site Audit: Available
• Transport: Air/Express/Sea
• MOQ: 10g
• Transport Package: Drum/Bottle/Bags
• Specification: used as a stain and brightening agent
• Trademark: Yunbang OEM
• Origin: China

Product Description

Fluorescent brightener FPS-A CAS 4404-43-7 Fluorescent Brightener 28

Company Informations

Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.

The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.
 

FAQ

1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.

2: What's your MOQ?
A: We can have a discussion.

3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.

4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.

5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.

6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
 

Our Advantages

1. 90days quality guarantee for exchange.

2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.

3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.

Product analysis

Product Name:	FLUORESCENT BRIGHTENER 28
Synonyms:	CALCOFLUOR WHITE ST;CALCOFLUOR WHITE M2R;CI 40622;Fluorescent Brightener28,Calcofluor White M2R, TinopalUNPA-GX;V56;Optiblanc NL;2.5-Bis(5-tertbutyl-2-benzoxazlyl)phiophene;5-triazin-2-yl]amino]--6-(phenylamino)-3
CAS:	4404-43-7
MF:	C40H44N12O10S2
MW:	916.98
EINECS:	224-548-7
Product Categories:	Dye stuff;INORGANIC & ORGANIC CHEMICALS;Organics
Mol File:	4404-43-7.mol

FLUORESCENT BRIGHTENER 28 Chemical Properties

Melting point	290°C
Boiling point	1311ºC[at 101 325 Pa]
density	1.598±0.06 g/cm3(Predicted)
vapor pressure	0Pa at 25ºC
storage temp.	Store at RT.
solubility	DMSO (Slightly, Sonicated),  (Slightly, Heated, Sonicated)
pka	-1.28±0.50(Predicted)
form	Solid
color	Light Yellow to Yellow
Water Solubility	80g/L at 25ºC
Stability:	Stable under recommended storage conditions., Stable Under Recommended Storage C
LogP	-3.5
EPA Substance Registry System	C.I. Fluorescent Brightening Agent 28 (4404-43-7)

Safety Information

Hazard Codes	Xi
Risk Statements	36
Safety Statements	26
WGK Germany	3

 

FLUORESCENT BRIGHTENER 28 Usage And Synthesis

Uses	Fluorescent Brightener 28 (Technical Grade) is used for the staining of fungi and as a viability stain. Dyes and metabolites.
Definition	ChEBI: An organosulfonic acid comprising stilbene having 4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl}amino groups at the 4 and 4'-positions and sulfo groups at the 2- and 2'-positions.

 

 

 

Detailed Photos